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value of comparison of low attenuation areas on high resolution CT with pulmonary function tests in patients with emphysema

• 2005
العودة
معلومات البحث
المؤلفون Dr Medhat Refaat Dr. Omar Mohammed Abdeldayem,Prof.Ayman Abdelrahman Yousef.
الكلمات المفتاحية Not Available
المجلة العلمية Not Available
الناشر Not Available
المجلد Not Available
العدد Not Available
الصفحات Not Available
publication.type International
رابط البحث Not Available
المواد المرفقة Not Available
الملخص
Abstract
OBJECTIVE:
This study evaluates the relationships between quantitative CT (QCT) and spirometric measurements of disease severity in patients with emphysema.
MATERIALS AND METHODS:
CT scans of 30 patients with emphysema. Measures examined included emphysema, defined as the percentage of low-attenuation areas≤-950 HU on high resolution CT. Correlations were determined between LAA %, spirometric values and DLCO using statistics software (SAS, version 9.2).
RESULTS:
CT measurements of low-attenuation areas correlate strongly and significantly (p